Olivia the duck — the mascot for the Washington, DC, campaign to ban foie gras — addresses a gaggle of reporters. | Zachariah Chou In this week’s midterm elections, many Democrats won n a landslide. Also on the winning side of many ballot decisions: animals.   First, voters in Washington, DC, and Denver, Colorado, decisively supported a ban on the sale of foie gras — duck liver made by force-feeding the animals. In Colorado, voters opposed a constitutional amendment that would enshrine the right to hunt and fish, including with “traditional methods,” which could have allowed especiall...